Bicycle crank arm



FIG. 1 is a front elevational view of a first embodiment of the bicycle crank arm according to our new design, with the broken lines showing other portions of the bicycle crank arm forming no part of the claimed design;

FIG. 2 is a side elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is an enlarged front perspective view of the first embodiment of the bicycle crank arm, with the broken lines illustrating the boundary of the claimed design and forming no part thereof;

FIG. 7 is a rear perspective view of FIG. 6;

FIG. 8 is a front perspective view of a second embodiment of the bicycle crank arm, with the broken lines illustrating the boundary of the claimed design and forming no part thereof; and,

FIG. 9 is a rear perspective view of FIG. 8.

The front, side and rear elevational views and the top and bottom plan views of the second embodiment are the same as those in FIGS. 1–5. 

The ornamental design for a bicycle crank arm, as shown and described. 